#include <stdio.h>
struct student
{
int num;
char name[20];
float score;
};
int main()
{
struct student stu[5]={{ 10101,"zhang",78},{10103,"wang",98.5},{10106,"li",86},{ 10108,"ling",73.5},{ 10110,"sun",100}};
struct student temp;
const int n=5;
int i,j,k;
printf("The order is:\n");
for(i=0;i<n-1;i++)
{k=i;
for(j=i+1;j<n;j++)
if(stu[j].score>stu[k].score)
k=j;
temp=stu[k];stu[k]=stu[i];stu[i]=temp;
}
for(i=0;i<n;i++)
printf("%6d %8s %6.2f\n",stu[i].num,stu[i].name,stu[i].score);
printf("\n");
return 0;}
